> Are there places where carrying a pocket knife without using it is automatically illegal? Yes, of course. Lots of them. In Spain carrying with you any pocke

> Are there places where carrying a pocket knife without using it is automatically illegal? Yes, of course. Lots of them. In Spain carrying with you any pocket knife with blade > 11 cm (or any automatic pocket knife <11 cm) is illegal unless you have a special permit for that. You can have it at your home as a collection, but not in public spaces. Having one can be reasonable in some activities (ej police will not care normally if you scuba dive with a knife but will frown if you carry it in the front seat of your car when returning home)